Your litespeed process does NOT use much cpu cycles. no need to upgrade at this point. It is the php process consumes heavily. You should either improve your php code or setup opcode cache to offload php.

No, one license can only be installed on one server. If you have VPS, each VPS will require its own license. The license is generated based on server hardware signature. So if you upgrade your server hardware, please make sure your license is still valid.

Your litespeed process does NOT use much cpu cycles. no need to upgrade at this point. It is the php process consumes heavily. You should either improve your php code or setup opcode cache to offload php.

I am in a confusion in selecting the right LiteSpeed license for my server , I read the related topics and pages to this matter in knowledgebase and forum but one of my friends who is a computer engineer told me this :

In regards to the CPU question, it means physical CPUs, a Quad-Core and Hex-Cores may function as multiple core servers but are still a single physical processor unit. If your server was running dual, quad, or more CPUs then you would be looking at the higher end licenses.

you can start from 2-CPU license, monitor the traffic and performance, and change the type of license monthly-base.

the CPU here not mean physical CPU, core looks better than CPU in the license context, but this term has been there for years and is not likely to change soon since it may confuse all of our current customers.

you can start from 2-CPU license, monitor the traffic and performance, and change the type of license monthly-base.

the CPU here not mean physical CPU, core looks better than CPU in the license context, but this term has been there for years and is not likely to change soon since it may confuse all of our current customers.

your CPU will be ok to run 4, 8-CPU license.

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would you please tell me what is the best way to monitor my performance ?

LSWS does not keep track of CPU usage itself, but you can easily find this information from a top command. (The LSWS process will be named lshttpd.) You can track it with a monitoring application like Munin.